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Fair Value Measurements (Details 2) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Measurement of certain assets for fair value on a non-recurring basis |  |
Other assets | $ 16,781 | $ 13,742
Asset impairment | 1,335 | 584
Data Storage |  |
Measurement of certain assets for fair value on a non-recurring basis |  |
Other assets | 100 | 1,400
Asset impairment | 1,335 |
MBE |  |
Measurement of certain assets for fair value on a non-recurring basis |  |
Asset impairment |  | $ 584

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- Definition Aggregate carrying amount, as of the balance sheet date, of noncurrent assets not separately disclosed in the balance sheet. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 17 -Article 5 + Details
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